Scotch™ Extreme Fasteners can be used to hold down tarps outdoors, hang outdoor décor on siding and fences, or mount metal signs. Fasteners are available in black or clear and come in various sizes.Scotch® Extreme Fasteners are the alternative closure to zippers, snaps and hooks, bonding securely and providing a convenient way to mount objects in the home, office or car. Designed with resealable, dual-lock technology, these heavy-duty permanent fasteners are ideal for holding down tarps, hanging metal signs and even mounting tools or solar lights. They are functional indoors as well as outdoors, for hanging chalkboards and even framed art. So give your power tools a break, and get the job done in a snap with the gravity-defying power of Scotch® Extreme Fasteners.